ExceptionTest.cs

using System;
using System.Diagnostics;
using System.Linq;

namespace ExceptionTest
{
    class Program
    {
        const int SampleSize = 1000000;

        static void Main(string[] args)
        {
            var stopwatch = new Stopwatch();
            Console.WriteLine("Testing with exceptions");
            stopwatch.Start();
            ThrowsExceptions();
            stopwatch.Stop();
            Console.WriteLine($"Time elapsed: {stopwatch.ElapsedMilliseconds}ms");

            stopwatch.Reset();

            Console.WriteLine("Testing without exceptions");
            stopwatch.Start();
            DoesNotThrowExceptions();
            stopwatch.Stop();
            Console.WriteLine($"Time elapsed: {stopwatch.ElapsedMilliseconds}ms");
        }

        static void ThrowsExceptions()
        {
            Enumerable.Range(0, SampleSize).AsParallel().ForAll(ent =>
            {
                try
                {
                    DateTime.Parse("INVALID DATE");
                }
                catch (FormatException)
                {

                }
            });
        }

        static void DoesNotThrowExceptions()
        {
            Enumerable.Range(0, SampleSize).AsParallel().ForAll(ent =>
            {
                DateTime.TryParse("INVALID DATE", out var res);
            });
        }
    }
}